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authorNicolas Ferre <nicolas.ferre@atmel.com>2013-03-19 15:44:22 +0800
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-04-01 14:42:43 +0100
commit1888e8f2f55c40656d8eff68572abb3748068b96 (patch)
tree7a5abf494746957716f2d5cf310b8028a3b40592 /drivers/spi
parent97ed465b4d3b6ec6ab12d1ee0cea48a66891c985 (diff)
spi/spi-atmel: call unmapping on transfers buffers
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-atmel.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index 26c126bfe02a..3c5ec603bcb0 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -1047,6 +1047,7 @@ static int atmel_spi_remove(struct platform_device *pdev)
struct spi_master *master = platform_get_drvdata(pdev);
struct atmel_spi *as = spi_master_get_devdata(master);
struct spi_message *msg;
+ struct spi_transfer *xfer;
/* reset the hardware and block queue progress */
spin_lock_irq(&as->lock);
@@ -1058,9 +1059,10 @@ static int atmel_spi_remove(struct platform_device *pdev)
/* Terminate remaining queued transfers */
list_for_each_entry(msg, &as->queue, queue) {
- /* REVISIT unmapping the dma is a NOP on ARM and AVR32
- * but we shouldn't depend on that...
- */
+ list_for_each_entry(xfer, &msg->transfers, transfer_list) {
+ if (!msg->is_dma_mapped)
+ atmel_spi_dma_unmap_xfer(master, xfer);
+ }
msg->status = -ESHUTDOWN;
msg->complete(msg->context);
}